Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Residual chlorine in water Hardness in water Dissolved oxygen in water Turbidity in water Residual chlorine in water Hardness in water Dissolved oxygen in water Turbidity in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 3 months 10 to 15 days 24 hours 48 hours 3 months 10 to 15 days 24 hours 48 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Dissolved organic substances Bacteria and colloidal solids Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Dissolved organic substances Bacteria and colloidal solids Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Both suspended and dissolved impurities Suspended impurities None of these Dissolved impurities Both suspended and dissolved impurities Suspended impurities None of these Dissolved impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Depth of tank Temperature of liquid Size of particles Specific gravity of solid particles Depth of tank Temperature of liquid Size of particles Specific gravity of solid particles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Safety valve Scour valve Sluice valve Check valve Safety valve Scour valve Sluice valve Check valve ANSWER DOWNLOAD EXAMIANS APP
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